<script setup lang="ts">
import { onUnmounted, ref } from 'vue';
import { codeRules, mobileRules , passwordRules } from '@/utils/rules'
import { showSuccessToast, showToast, Toast, type FormInstance } from 'vant';
import { loginByMobile, loginByPassword, sendMobileCode } from '@/services/user';
import { userStore } from '@/stores';
import { useRoute, useRouter } from 'vue-router';
import type { User } from '@/types/user';


  // 手机号码
  const mobile = ref('13230000100')

  // 密码
  const password = ref('abc12345')

  // 短信验证码
  const code = ref('')

  // 是否勾选协议
  const agree = ref(false)

  // 发送验证码倒计时
  const time = ref(0)

  // 切换用户登录 ------》 true 账号密码登录   false 手机验证码登录
  const isPass = ref(true)

  // 获取用户仓库
  const store = userStore()

  // 密码的可见性
  const isShow = ref(false)

  let timeId : number = -1

  // 获取路由
  const route = useRoute()
  const router = useRouter()

  // 获取表单实例
  const form = ref<FormInstance>()
  // 登录
  const login = async () => {
    if (!agree.value) return showToast('请勾选协议')
    // 验证完毕，进行登录
    const res = isPass.value
     ? await loginByPassword(mobile.value, password.value)
     : await loginByMobile(mobile.value, code.value)
    store.setUser(res.data)
    // 如果有回跳地址就进行回跳，没有就跳转到个人中心
    router.push((route.query.returnUrl as string) || '/user')
    // 弹出登录成功对话框
    showSuccessToast('登录成功')
  }

  const send = async () => {
    // 如果发送验证码倒计时大于0 则不会发送验证码
    if(time.value > 0) return
    // 验证不通过，组织程序继续进行
    await form.value?.validate('mobile')
    // 发送短信验证码
    await sendMobileCode(mobile.value , 'login')
    showToast('发送成功')
    // 倒计时时间
    time.value = 60
    timeId = window.setInterval(()=>{
      time.value--
      if(timeId <= 0) window.clearInterval(timeId)
    },1000)
  }

  onUnmounted(()=>{
    window.clearInterval(timeId)
  })

</script>



<template>
  <div class="login-page">
    <cp-nav-bar
      right-text="注册"
      @click-right="$router.push('/register')"
    ></cp-nav-bar>
    <!-- 头部 -->
    <div class="login-head">
      <h3>{{ isPass? '密码登录' : '短信验证码登录' }}</h3>
      <a href="javascript:;" @click="isPass = !isPass">
        <span>{{ !isPass? '密码登录' : '短信验证码登录' }}</span>
        <van-icon name="arrow"></van-icon>
      </a>
    </div>
    <!-- 表单 -->
    <van-form autocomplete="off" @submit="login">
      <van-field
      placeholder="请输入手机号"
      :rules="mobileRules"
      v-model="mobile"
      type="tel"></van-field>
      <!-- 密码框 -->
      <van-field
      v-if="isPass"
      v-model="password"
      :rules="passwordRules"
      placeholder="请输入密码"
      :type="isShow ? 'text' : 'password'">
        <template #button>
          <cp-icon :name = "`login-eye-${isShow ? 'on' : 'off'}`" @click="isShow = !isShow" style="margin-right: 10px"></cp-icon>
        </template>
      </van-field>
      <!-- 发送短信验证码 -->
      <van-field
      v-else
      v-model="code"
      name="mobile"
      :rules="codeRules"
      placeholder="请输入短信验证码"
      type="password">
        <template #button>
          <span class="btn-send" :class="{ active: time > 0 }" @click="send">
             {{ time > 0 ? `${time}s后再次发送` : '发送验证码' }}
          </span>
        </template>
      </van-field>

      <div class="cp-cell">
        <van-checkbox v-model="agree">
          <span>我已同意</span>
          <a href="javascript:;">用户协议</a>
          <span>及</span>
          <a href="javascript:;">隐私条款</a>
        </van-checkbox>
      </div>
      <div class="cp-cell">
        <van-button block round native-type="submit">登 录</van-button>
      </div>
      <div class="cp-cell">
        <a href="javascript:;">忘记密码？</a>
      </div>
    </van-form>
    <!-- 底部 -->
    <div class="login-other">
      <van-divider>第三方登录</van-divider>
      <div class="icon">
        <img src="@/assets/qq.svg" alt="" />
      </div>
    </div>
  </div>
</template>

<style lang="scss" scoped>
.login {
  &-page {
    padding-top: 46px;
  }
  &-head {
    display: flex;
    padding: 30px 30px 50px;
    justify-content: space-between;
    align-items: flex-end;
    line-height: 1;
    h3 {
      font-weight: normal;
      font-size: 24px;
    }
    a {
      font-size: 15px;
    }
  }
  &-other {
    margin-top: 60px;
    padding: 0 30px;
    .icon {
      display: flex;
      justify-content: center;
      img {
        width: 36px;
        height: 36px;
        padding: 4px;
      }
    }
  }
}
.van-form {
  padding: 0 14px;
  .cp-cell {
    height: 52px;
    line-height: 24px;
    padding: 14px 16px;
    box-sizing: border-box;
    display: flex;
    align-items: center;
    .van-checkbox {
      a {
        color: var(--cp-primary);
        padding: 0 5px;
      }
    }
  }
  .btn-send {
    color: var(--cp-primary);
    &.active {
      color: rgba(22,194,163,0.5);
    }
  }
}
</style>

function Toast(arg0: string) {
  throw new Error('Function not implemented.');
}
